mysql::binlog::event::Delete_rows_event Class Reference

Log row deletions. More...

#include <rows_event.h>

Inheritance diagram for mysql::binlog::event::Delete_rows_event:

Public Member Functions
	Delete_rows_event (const char *buf, const Format_description_event *fde)
	Delete_rows_event ()
Public Member Functions inherited from mysql::binlog::event::Rows_event
	Rows_event (Log_event_type type_arg)
	Constructs an event directly. More...
	Rows_event (const char *buf, const Format_description_event *fde)
	The constructor is responsible for decoding the event contained in the buffer. More...
	~Rows_event () override
unsigned long long	get_table_id () const
enum_flag	get_flags () const
uint32_t	get_null_bits_len () const
unsigned long	get_width () const
std::string	get_enum_flag_string () const
	Gets the flags listed as strings. More...
Public Member Functions inherited from mysql::binlog::event::Binary_log_event
virtual	~Binary_log_event ()=0
	Binary_log_event (const Binary_log_event &)=default
	Binary_log_event (Binary_log_event &&)=default
Binary_log_event &	operator= (const Binary_log_event &)=default
Binary_log_event &	operator= (Binary_log_event &&)=default
enum Log_event_type	get_event_type () const
	Helper method. More...
const Log_event_header *	header () const
	Return a const pointer to the header of the log event. More...
Log_event_header *	header ()
	Return a non-const pointer to the header of the log event. More...
const Log_event_footer *	footer () const
	Return a const pointer to the footer of the log event. More...
Log_event_footer *	footer ()
	Return a non-const pointer to the footer of the log event. More...
Event_reader &	reader ()
	Returns a reference to the event Event_reader object. More...

Additional Inherited Members
Public Types inherited from mysql::binlog::event::Rows_event
enum	enum_flag {   STMT_END_F = (1U << 0) , NO_FOREIGN_KEY_CHECKS_F = (1U << 1) , RELAXED_UNIQUE_CHECKS_F = (1U << 2) , COMPLETE_ROWS_F = (1U << 3) ,   ALL_FLAGS }
	These definitions allow to combine the flags into an appropriate flag set using the normal bitwise operators. More...
Public Types inherited from mysql::binlog::event::Binary_log_event
enum	enum_post_header_length {   QUERY_HEADER_MINIMAL_LEN = (4 + 4 + 1 + 2) , QUERY_HEADER_LEN = (QUERY_HEADER_MINIMAL_LEN + 2) , STOP_HEADER_LEN = 0 , START_V3_HEADER_LEN = (2 + ST_SERVER_VER_LEN + 4) ,   ROTATE_HEADER_LEN = 8 , INTVAR_HEADER_LEN = 0 , APPEND_BLOCK_HEADER_LEN = 4 , DELETE_FILE_HEADER_LEN = 4 ,   RAND_HEADER_LEN = 0 , USER_VAR_HEADER_LEN = 0 , FORMAT_DESCRIPTION_HEADER_LEN = (START_V3_HEADER_LEN + 1 + LOG_EVENT_TYPES) , XID_HEADER_LEN = 0 ,   BEGIN_LOAD_QUERY_HEADER_LEN = APPEND_BLOCK_HEADER_LEN , ROWS_HEADER_LEN_V1 = 8 , TABLE_MAP_HEADER_LEN = 8 , EXECUTE_LOAD_QUERY_EXTRA_HEADER_LEN = (4 + 4 + 4 + 1) ,   EXECUTE_LOAD_QUERY_HEADER_LEN , INCIDENT_HEADER_LEN = 2 , HEARTBEAT_HEADER_LEN = 0 , IGNORABLE_HEADER_LEN = 0 ,   ROWS_HEADER_LEN_V2 = 10 , TRANSACTION_CONTEXT_HEADER_LEN = 18 , VIEW_CHANGE_HEADER_LEN = 52 , XA_PREPARE_HEADER_LEN = 0 ,   TRANSACTION_PAYLOAD_HEADER_LEN = 0 }
	The lengths for the fixed data part of each event. More...
Static Public Member Functions inherited from mysql::binlog::event::Rows_event
static std::string	get_flag_string (enum_flag flag)
	Gets a string describing the flags. More...
Public Attributes inherited from mysql::binlog::event::Rows_event
Extra_row_info	m_extra_row_info
Static Public Attributes inherited from mysql::binlog::event::Binary_log_event
static const int	LOG_EVENT_TYPES = (ENUM_END_EVENT - 1)
Protected Member Functions inherited from mysql::binlog::event::Binary_log_event
	Binary_log_event (Log_event_type type_code)
	This constructor is used to initialize the type_code of header object m_header. More...
	Binary_log_event (const char **buf, const Format_description_event *fde)
	This constructor will create a new object of Log_event_header and initialize the variable m_header, which in turn will be used to initialize Log_event's member common_header. More...
Protected Attributes inherited from mysql::binlog::event::Rows_event
Log_event_type	m_type
Table_id	m_table_id
	Actual event type. More...
uint16_t	m_flags
unsigned long	m_width
	Flags for row-level events. More...
uint32_t	n_bits_len
	The width of the columns bitmap. More...
uint16_t	var_header_len
	value determined by (m_width + 7) / 8 More...
std::vector< uint8_t >	columns_before_image
std::vector< uint8_t >	columns_after_image
std::vector< uint8_t >	row

Detailed Description

Log row deletions.

The event contain several delete rows for a table. Note that each event contains only rows for one table.

RESPONSIBILITIES

• Act as a container for rows that has been deleted on the master and should be deleted on the slave.

Binary Format

Constructor & Destructor Documentation

Delete_rows_event() [1/2]

mysql::binlog::event::Delete_rows_event::Delete_rows_event	(	const char *	buf,
		const Format_description_event *	fde
	)

Delete_rows_event() [2/2]

mysql::binlog::event::Delete_rows_event::Delete_rows_event ( )

inline

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The documentation for this class was generated from the following files:

• libs/mysql/binlog/event/rows_event.h
• libs/mysql/binlog/event/rows_event.cpp